Finding the Fourth Proportional to 229,416.99, 316,646.09 and 127,477.50
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Solution
The fourth proportional to 229,416.99, 316,646.09 and 127,477.50 is: 175,947.09
Step by Step Solution
- Step 1: Write the proportion equation
229,416.99 : 316,646.09 = 127,477.50 : x - Step 2: Convert to fraction form
229,416.99/316,646.09 = 127,477.50/x - Step 3: Cross multiply
229,416.99x = 316,646.09 × 127,477.50 - Step 4: Simplify right side
229,416.99x = 40,365,251,300.59 - Step 5: Solve for x
x = 40,365,251,300.59/229,416.99 - Step 6: Final answer
x = 175,947.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.